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Priority to JP1986068432UpriorityCriticalpatent/JPH0312321Y2/ja
Publication of JPS62179003UpublicationCriticalpatent/JPS62179003U/ja
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Procede et corps filtrant a ruissellement fin pour la filtration et l'epuration biologique d'eau residuaire et procede de fabrication du garnissage dudit corps filtrant
System of sewage complete treatment and autonomous disposition with combination of the three stage settling tank of anodic and vertical flow and the shallow tight basin for biological cleaning use of sewage